We have Gentoo installed and running on a Sparc Ultra 60 with the Raptor video adapter, which I believe is a 3DLabs Permedia 2 chipset. After I enter all my sync info using x86config I get an error about mapping PCI memory. xFree86 says this chipset is supported via the glint driver.

xf86MapPciMem: Could not mmap PCI memory
[base=0x30000,hostbase=0x30000,size=20000]
(No such file or directory)